.mb-1 {
  margin-bottom: 5rem;
}
@media (min-width: 768px) {
  .mb-1 {
    margin-bottom: 8rem;
  }
}

.mb-2 {
  margin-bottom: 2rem;
}
@media (min-width: 768px) {
  .mb-2 {
    margin-bottom: 3rem;
  }
}

.mb-3 {
  margin-bottom: 3rem;
}
@media (min-width: 768px) {
  .mb-3 {
    margin-bottom: 4.5rem;
  }
}

.mb-4 {
  margin-bottom: 1.5rem;
}
@media (min-width: 768px) {
  .mb-4 {
    margin-bottom: 2rem;
  }
}

.box-1 {
  margin-bottom: 3rem;
}
@media (min-width: 768px) {
  .box-1 {
    margin-bottom: 5rem;
  }
}

.page-service {
  padding-top: 4rem;
}
@media (min-width: 768px) {
  .page-service {
    padding-top: 10rem;
  }
}

.service-sec {
  margin-bottom: 2.5rem;
  background-color: #FFF;
}
@media (min-width: 768px) {
  .service-sec {
    margin-bottom: 10rem;
  }
}

.service-ttl {
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1.5;
}
@media (min-width: 768px) {
  .service-ttl {
    font-size: 1.8rem;
  }
}

.service-list {
  font-size: 1.6rem;
  line-height: 1.6;
  font-weight: 500;
}
.service-list__item {
  padding-left: 2rem;
  padding-right: 2rem;
  border-bottom: 1px solid #4D4D4D;
}
.service-list__item:last-child {
  border-bottom: 0;
}
@media (min-width: 768px) {
  .service-list__item {
    padding-left: 5rem;
    padding-right: 4rem;
  }
}
.service-list__ttl {
  position: relative;
  padding: 2.5rem 2.5rem 2.5rem 0;
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: 0.01rem;
}
.service-list__ttl.active::after {
  background-image: url("../img/common/icon_arrow_08.svg");
}
@media (min-width: 768px) {
  .service-list__ttl {
    padding: 3.5rem 4rem 3.5rem 0;
    font-size: 2rem;
    cursor: pointer;
  }
  .service-list__ttl:hover::after {
    animation: smoothArrow 1.2s cubic-bezier(0.4, 0, 0.2, 1) infinite;
  }
}
.service-list__ttl::after {
  position: absolute;
  right: 0;
  top: 3.6rem;
  width: 1.4rem;
  height: 0.7rem;
  background: url("../img/common/icon_arrow_07.svg") no-repeat center/contain;
  background-size: 1.4rem auto;
  transform: translate3d(0, 0, 0);
  will-change: transform;
  content: "";
}
@media (min-width: 768px) {
  .service-list__ttl::after {
    width: 2.7rem;
    height: 1.6rem;
    top: 4.5rem;
    background-size: 2.7rem auto;
  }
}
.service-list__content {
  display: none;
  padding-bottom: 3rem;
}
@media (min-width: 768px) {
  .service-list__content {
    padding-bottom: 4rem;
  }
}
.service-list__content a {
  text-decoration: underline;
  text-underline-offset: 0.2rem;
}
@media (min-width: 768px) {
  .service-list__content a:hover {
    text-decoration: none;
  }
}
.service-list__content ul, .service-list__content ol {
  padding-left: 2rem;
}
.service-list__content ul {
  list-style: disc;
}
.service-list__content ol {
  list-style: decimal;
}

.service-txt {
  display: grid;
  row-gap: 1em;
  font-size: 1.4rem;
  font-weight: 500;
  line-height: 1.4285714286;
}
@media (min-width: 768px) {
  .service-txt {
    font-size: 1.6rem;
    line-height: 1.5;
  }
}